/* layout.css — navbar, footer, shared components */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-border);
}

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--signal), var(--info));
  display: flex; align-items: center; justify-content: center;
  color: #06140D;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0; padding: 0;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  color: var(--ink-dim);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--ink); background: var(--panel); text-decoration: none; }
.nav-links a.active { color: var(--signal); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  color: var(--ink);
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--panel-border);
    flex-direction: column;
    align-items: stretch;
    padding: 8px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; }
  .nav-toggle { display: flex; }
  .nav-actions .btn-secondary-label { display: none; }
}

.footer {
  border-top: 1px solid var(--panel-border);
  margin-top: 100px;
  padding: 56px 0 32px;
  background: var(--bg-raised);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--ink-dim); font-size: 0.9rem; }
.footer-col a:hover { color: var(--signal); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--panel-border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Card grid components */
.card-grid {
  display: grid;
  gap: 20px;
}
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1100px) {
  .card-grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
  .card-grid-3, .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--ink-faint); }

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.card-link:hover { text-decoration: none; }

.section {
  padding: 80px 0;
}
.section-head {
  margin-bottom: 40px;
  max-width: 640px;
}

.toast-region {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 340px;
}
.toast {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-left: 3px solid var(--signal);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 0.88rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: toast-in 0.25s ease;
}
.toast.toast-error { border-left-color: var(--alert); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 720px) {
  .section { padding: 56px 0; }
}